tv [untitled] December 31, 2010 10:00am-10:30am PDT
. >> my name is mark tieman and i'm senior councilor at pet camp, san francisco, california. we dispose of a lot of carbon-based material here, dog poop, and the more we can turn that into something viable, the better off we are. in san francisco there's more dogs than children. finding a viable use for dog poop. >> proenvironmental policies, that's a way to win hearts and minds.